diff options
Diffstat (limited to 'gcc/gcov-io.h')
| -rw-r--r-- | gcc/gcov-io.h | 115 |
1 files changed, 108 insertions, 7 deletions
diff --git a/gcc/gcov-io.h b/gcc/gcov-io.h index 7352429c80d..9e1c081b16d 100644 --- a/gcc/gcov-io.h +++ b/gcc/gcov-io.h @@ -24,13 +24,24 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include <stdio.h> #include <sys/types.h> -static int __fetch_long PARAMS ((long *, char *, size_t)) ATTRIBUTE_UNUSED; -static int __read_long PARAMS ((long *, FILE *, size_t)) ATTRIBUTE_UNUSED; -static int __write_long PARAMS ((long, FILE *, size_t)) ATTRIBUTE_UNUSED; -static int __fetch_gcov_type PARAMS ((gcov_type *, char *, size_t)) ATTRIBUTE_UNUSED; -static int __store_gcov_type PARAMS ((gcov_type, char *, size_t)) ATTRIBUTE_UNUSED; -static int __read_gcov_type PARAMS ((gcov_type *, FILE *, size_t)) ATTRIBUTE_UNUSED; -static int __write_gcov_type PARAMS ((gcov_type, FILE *, size_t)) ATTRIBUTE_UNUSED; +static int __fetch_long PARAMS ((long *, char *, size_t)) + ATTRIBUTE_UNUSED; +static int __read_long PARAMS ((long *, FILE *, size_t)) + ATTRIBUTE_UNUSED; +static int __write_long PARAMS ((long, FILE *, size_t)) + ATTRIBUTE_UNUSED; +static int __fetch_gcov_type PARAMS ((gcov_type *, char *, size_t)) + ATTRIBUTE_UNUSED; +static int __store_gcov_type PARAMS ((gcov_type, char *, size_t)) + ATTRIBUTE_UNUSED; +static int __read_gcov_type PARAMS ((gcov_type *, FILE *, size_t)) + ATTRIBUTE_UNUSED; +static int __write_gcov_type PARAMS ((gcov_type, FILE *, size_t)) + ATTRIBUTE_UNUSED; +static int __write_gcov_string PARAMS ((const char *, size_t, FILE*, long)) + ATTRIBUTE_UNUSED; +static int __read_gcov_string PARAMS ((char *, size_t, FILE*, long)) + ATTRIBUTE_UNUSED; /* These routines only work for signed values. */ @@ -193,4 +204,94 @@ __read_long (dest, file, bytes) return __fetch_long (dest, c, bytes); } + +/* Writes string in gcov format. */ + +static int +__write_gcov_string (string, length, file, delim) + const char *string; + size_t length; + FILE *file; + long delim; +{ + size_t temp = length + 1; + + /* delimiter */ + if (__write_long (delim, file, 4) != 0) + return 1; + + if (__write_long (length, file, 4) != 0) + return 1; + + if (fwrite (string, temp, 1, file) != 1) + return 1; + + temp &= 3; + + if (temp) + { + char c[4]; + + c[0] = c[1] = c[2] = c[3] = 0; + + if (fwrite (c, sizeof (char), 4 - temp, file) != 4 - temp) + return 1; + } + + if (__write_long (delim, file, 4) != 0) + return 1; + + return 0; +} + +/* Reads string in gcov format. */ + + +static int +__read_gcov_string (string, max_length, file, delim) + char *string; + size_t max_length; + FILE *file; + long delim; +{ + long delim_from_file; + long length; + long read_length; + long tmp; + + if (__read_long (&delim_from_file, file, 4) != 0) + return 1; + + if (delim_from_file != delim) + return 1; + + if (__read_long (&length, file, 4) != 0) + return 1; + + if (length > (long) max_length) + read_length = max_length; + else + read_length = length; + + tmp = (((length + 1) - 1) / 4 + 1) * 4; + /* This is the size occupied by the string in the file */ + + if (fread (string, read_length, 1, file) != 1) + return 1; + + string[read_length] = 0; + + if (fseek (file, tmp - read_length, SEEK_CUR) < 0) + return 1; + + if (__read_long (&delim_from_file, file, 4) != 0) + return 1; + + if (delim_from_file != delim) + return 1; + + return 0; +} + + #endif /* ! GCC_GCOV_IO_H */ |