diff options
Diffstat (limited to 'lib/portability.c')
| -rw-r--r-- | lib/portability.c | 93 |
1 files changed, 45 insertions, 48 deletions
diff --git a/lib/portability.c b/lib/portability.c index b1c448c8..d901a4b6 100644 --- a/lib/portability.c +++ b/lib/portability.c @@ -1,4 +1,3 @@ -/* vi: set sw=4 ts=4 :*/ /* portability.c - code to workaround the deficiencies of various platforms. * * Copyright 2012 Rob Landley <rob@landley.net> @@ -10,66 +9,64 @@ #if defined(__APPLE__) || defined(__ANDROID__) ssize_t getdelim(char **linep, size_t *np, int delim, FILE *stream) { - int ch; - size_t new_len; - ssize_t i = 0; - char *line, *new_line; + int ch; + size_t new_len; + ssize_t i = 0; + char *line, *new_line; - // Invalid input - if (!linep || !np) { - errno = EINVAL; - return -1; - } + // Invalid input + if (!linep || !np) { + errno = EINVAL; + return -1; + } - if (*linep == NULL || *np == 0) { - *np = 1024; - *linep = calloc(1, *np); - if (*linep == NULL) - return -1; - } - line = *linep; + if (*linep == NULL || *np == 0) { + *np = 1024; + *linep = calloc(1, *np); + if (*linep == NULL) return -1; + } + line = *linep; - while ((ch = getc(stream)) != EOF) { - if (i > *np) { - // Need more space - new_len = *np + 1024; - new_line = realloc(*linep, new_len); - if (!new_line) - return -1; - *np = new_len; - *linep = new_line; - } + while ((ch = getc(stream)) != EOF) { + if (i > *np) { + // Need more space + new_len = *np + 1024; + new_line = realloc(*linep, new_len); + if (!new_line) return -1; + *np = new_len; + *linep = new_line; + } - line[i] = ch; - if (ch == delim) - break; - i += 1; - } + line[i] = ch; + if (ch == delim) break; + i += 1; + } - if (i > *np) { - // Need more space - new_len = i + 2; - new_line = realloc(*linep, new_len); - if (!new_line) - return -1; - *np = new_len; - *linep = new_line; - } - line[i + 1] = '\0'; + if (i > *np) { + // Need more space + new_len = i + 2; + new_line = realloc(*linep, new_len); + if (!new_line) return -1; + *np = new_len; + *linep = new_line; + } + line[i + 1] = '\0'; - return i > 0 ? i : -1; + return i > 0 ? i : -1; } -ssize_t getline(char **linep, size_t *np, FILE *stream) { - return getdelim(linep, np, '\n', stream); +ssize_t getline(char **linep, size_t *np, FILE *stream) +{ + return getdelim(linep, np, '\n', stream); } #endif #if defined(__APPLE__) extern char **environ; -int clearenv(void) { - *environ = NULL; - return 0; +int clearenv(void) +{ + *environ = NULL; + return 0; } #endif |