version 1.81, 2014/08/16 19:00:01 |
version 1.82, 2014/09/03 23:21:47 |
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#include <sys/types.h> |
#include <sys/types.h> |
#if HAVE_MMAP |
#if HAVE_MMAP |
#include <sys/stat.h> |
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#include <sys/mman.h> |
#include <sys/mman.h> |
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#include <sys/stat.h> |
#endif |
#endif |
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#include <sys/wait.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
Line 213 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 214 static const char * const mandocerrs[MANDOCERR_MAX] = |
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".so request failed", |
".so request failed", |
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/* system errors */ |
/* system errors */ |
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"cannot dup file descriptor", |
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"cannot exec", |
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"gunzip failed with code", |
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"cannot fork", |
NULL, |
NULL, |
"cannot stat file", |
"cannot open pipe", |
"cannot read file", |
"cannot read file", |
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"gunzip died from signal", |
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"cannot stat file", |
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"wait failed", |
}; |
}; |
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static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
Line 774 mparse_readfd(struct mparse *curp, int fd, const char |
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Line 782 mparse_readfd(struct mparse *curp, int fd, const char |
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perror(file); |
perror(file); |
out: |
out: |
return(curp->file_status); |
return(curp->file_status); |
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} |
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enum mandoclevel |
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mparse_open(struct mparse *curp, int *fd, const char *file, |
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pid_t *child_pid) |
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{ |
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int pfd[2]; |
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char *cp; |
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enum mandocerr err; |
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pfd[1] = -1; |
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curp->file = file; |
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if ((cp = strrchr(file, '.')) == NULL || |
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strcmp(cp + 1, "gz")) { |
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*child_pid = 0; |
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if ((*fd = open(file, O_RDONLY)) == -1) { |
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err = MANDOCERR_SYSOPEN; |
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goto out; |
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} |
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return(MANDOCLEVEL_OK); |
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} |
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if (pipe(pfd) == -1) { |
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err = MANDOCERR_SYSPIPE; |
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goto out; |
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} |
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switch (*child_pid = fork()) { |
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case -1: |
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err = MANDOCERR_SYSFORK; |
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close(pfd[0]); |
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close(pfd[1]); |
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pfd[1] = -1; |
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break; |
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case 0: |
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close(pfd[0]); |
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if (dup2(pfd[1], STDOUT_FILENO) == -1) { |
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err = MANDOCERR_SYSDUP; |
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break; |
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} |
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execlp("gunzip", "gunzip", "-c", file, NULL); |
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err = MANDOCERR_SYSEXEC; |
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break; |
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default: |
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close(pfd[1]); |
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*fd = pfd[0]; |
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return(MANDOCLEVEL_OK); |
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} |
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out: |
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*fd = -1; |
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*child_pid = 0; |
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curp->file_status = MANDOCLEVEL_SYSERR; |
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if (curp->mmsg) |
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(*curp->mmsg)(err, curp->file_status, file, |
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0, 0, strerror(errno)); |
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if (pfd[1] != -1) |
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exit(1); |
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return(curp->file_status); |
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} |
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enum mandoclevel |
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mparse_wait(struct mparse *curp, pid_t child_pid) |
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{ |
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int status; |
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if (waitpid(child_pid, &status, 0) == -1) { |
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mandoc_msg(MANDOCERR_SYSWAIT, curp, 0, 0, |
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strerror(errno)); |
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curp->file_status = MANDOCLEVEL_SYSERR; |
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return(curp->file_status); |
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} |
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if (WIFSIGNALED(status)) { |
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mandoc_vmsg(MANDOCERR_SYSSIG, curp, 0, 0, |
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"%d", WTERMSIG(status)); |
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curp->file_status = MANDOCLEVEL_SYSERR; |
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return(curp->file_status); |
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} |
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if (WEXITSTATUS(status)) { |
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mandoc_vmsg(MANDOCERR_SYSEXIT, curp, 0, 0, |
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"%d", WEXITSTATUS(status)); |
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curp->file_status = MANDOCLEVEL_SYSERR; |
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return(curp->file_status); |
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} |
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return(MANDOCLEVEL_OK); |
} |
} |
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struct mparse * |
struct mparse * |