diff options
Diffstat (limited to 'lib/functions.c')
| -rw-r--r-- | lib/functions.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/lib/functions.c b/lib/functions.c index ce3edccc..b8c122e0 100644 --- a/lib/functions.c +++ b/lib/functions.c @@ -138,6 +138,25 @@ char *xmsprintf(char *format, ...) return ret; } +void xprintf(char *format, ...) +{ + va_list va; + va_start(va, format); + + vprintf(format, va); + if (ferror(stdout)) perror_exit("write"); +} + +void xputc(char c) +{ + if (EOF == fputc(c, stdout)) perror_exit("write"); +} + +void xflush(void) +{ + if (fflush(stdout)) perror_exit("write");; +} + // Die unless we can exec argv[] (or run builtin command). Note that anything // with a path isn't a builtin, so /bin/sh won't match the builtin sh. void xexec(char **argv) @@ -149,14 +168,14 @@ void xexec(char **argv) void xaccess(char *path, int flags) { - if (access(path, flags)) error_exit("Can't access '%s'\n", path); + if (access(path, flags)) perror_exit("Can't access '%s'\n", path); } // Die unless we can open/create a file, returning file descriptor. int xcreate(char *path, int flags, int mode) { int fd = open(path, flags, mode); - if (fd == -1) error_exit("No file %s\n", path); + if (fd == -1) perror_exit("No file %s\n", path); return fd; } @@ -170,7 +189,7 @@ int xopen(char *path, int flags) FILE *xfopen(char *path, char *mode) { FILE *f = fopen(path, mode); - if (!f) error_exit("No file %s\n", path); + if (!f) perror_exit("No file %s\n", path); return f; } @@ -227,7 +246,7 @@ void xwrite(int fd, void *buf, size_t len) char *xgetcwd(void) { char *buf = getcwd(NULL, 0); - if (!buf) error_exit("xgetcwd"); + if (!buf) perror_exit("xgetcwd"); return buf; } @@ -439,7 +458,7 @@ char *readfile(char *name) char *xreadfile(char *name) { char *buf = readfile(name); - if (!buf) error_exit("xreadfile %s", name); + if (!buf) perror_exit("xreadfile %s", name); return buf; } |