diff options
| -rw-r--r-- | pgm-interlace.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/pgm-interlace.c b/pgm-interlace.c index 6923dc9..861f30b 100644 --- a/pgm-interlace.c +++ b/pgm-interlace.c @@ -107,7 +107,7 @@ int read_token(FILE *fd, char *token, size_t token_size, char *allowable) return 0; } -int read_number(FILE *fd, char *token, size_t token_size) +int read_positive_int(FILE *fd, char *token, size_t token_size) { return read_token(fd, token, token_size, "0123456789"); } @@ -126,7 +126,7 @@ int parse_header(FILE *fd, char *magic, long *width, long *height, int *white) read_whitespace(fd); - if (read_number(fd, token, sizeof(token)) != 0) + if (read_positive_int(fd, token, sizeof(token)) != 0) { fprintf(stderr, "Error reading width\n"); return 1; @@ -134,7 +134,7 @@ int parse_header(FILE *fd, char *magic, long *width, long *height, int *white) *width = atol(token); read_whitespace(fd); - if (read_number(fd, token, sizeof(token))) + if (read_positive_int(fd, token, sizeof(token))) { fprintf(stderr, "Error reading height\n"); return 1; @@ -142,7 +142,7 @@ int parse_header(FILE *fd, char *magic, long *width, long *height, int *white) *height = atol(token); /* size == height */ read_whitespace(fd); - if (read_number(fd, token, sizeof(token))) + if (read_positive_int(fd, token, sizeof(token))) { fprintf(stderr, "Error reading white value\n"); return 1; |