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-rw-r--r--src/librarian.c55
1 files changed, 35 insertions, 20 deletions
diff --git a/src/librarian.c b/src/librarian.c
index 98b3665..d788c42 100644
--- a/src/librarian.c
+++ b/src/librarian.c
@@ -255,12 +255,12 @@ static int version_subcmp(char *a, char *b)
while (*b == '0') b++;
ac = *ap, bc = *bp;
*ap = '\0', *bp = '\0';
- if (ap - a < bp - b) return -1;
- if (ap - a > bp - b) return +1;
+ if (ap - a < bp - b) return *ap = ac, *bp = bc, -1;
+ if (ap - a > bp - b) return *ap = ac, *bp = bc, +1;
r = strcmp(a, b);
*ap = ac, *bp = bc;
- a = *a ? (ap + 1) : a;
- b = *b ? (bp + 1) : b;
+ a = isdigit(*a) ? (ap + 1) : a;
+ b = isdigit(*b) ? (bp + 1) : b;
if (r) return r;
/* Compare letter (non-digit) part. */
@@ -270,8 +270,8 @@ static int version_subcmp(char *a, char *b)
*ap = '\0', *bp = '\0';
r = strcmp(a, b);
*ap = ac, *bp = bc;
- a = *a ? (ap + 1) : a;
- b = *b ? (bp + 1) : b;
+ a = *a && !isdigit(*a) ? (ap + 1) : a;
+ b = *b && !isdigit(*b) ? (bp + 1) : b;
if (r) return r;
}
@@ -323,10 +323,14 @@ static int version_cmp(char *a, char *b)
for (;;) {
ap = strchr(a, '.');
bp = strchr(b, '.');
- if (!ap && !ap)
- return 0;
+ if (!ap && !bp)
+ break;
COMPARE;
}
+ ap = strchr(a, '\0');
+ bp = strchr(b, '\0');
+ COMPARE;
+ return 0;
#undef COMPARE
}
@@ -345,7 +349,7 @@ static int test_library_version(char *version, struct library *required)
int upper = required->upper ? version_cmp(version, required->upper) : -1;
int lower = required->lower ? version_cmp(version, required->lower) : +1;
- upper = required->lower_closed ? (upper <= 0) : (upper < 0);
+ upper = required->upper_closed ? (upper <= 0) : (upper < 0);
lower = required->lower_closed ? (lower >= 0) : (lower > 0);
return upper && lower;
@@ -411,6 +415,7 @@ static char *locate_in_dir(struct library *lib, char *path, int oldest)
t (p == NULL);
stpcpy(stpcpy(stpcpy(p, path), "/"), best);
+ free(best);
return p;
fail:
@@ -562,7 +567,7 @@ not_found:
if (libraries[i].upper == libraries[i].lower) {
fprintf(stderr, "%s: cannot find library: %s%s%s", argv0,
libraries[i].name, libraries[i].upper ? "=" : "",
- libraries[i].upper);
+ libraries[i].upper ? libraries[i].upper : "");
} else {
fprintf(stderr, "%s: cannot find library: %s%s%s%s%s%s%s", argv0,
libraries[i].name,
@@ -603,18 +608,19 @@ static char *find_variable(const char *path, const char *var)
if (ptr == size) {
size = size ? (size << 1) : 512;
new = realloc(buffer, size);
- t (new != NULL);
+ t (new == NULL);
buffer = new;
}
n = read(fd, buffer + ptr, size - ptr);
t (n < 0);
if (n == 0)
break;
+ ptr += (size_t)n;
}
close(fd), fd = -1;
new = realloc(buffer, ptr + 3);
- t (new != NULL);
+ t (new == NULL);
buffer = new;
buffer[ptr++] = '\n';
buffer[ptr++] = '\0';
@@ -624,7 +630,7 @@ static char *find_variable(const char *path, const char *var)
sought = malloc(strlen(var) + 2);
t (sought == NULL);
sought[0] = '\n';
- strcpy(sought, var);
+ strcpy(sought + 1, var);
len = strlen(sought);
for (p = buffer; p;) {
@@ -638,11 +644,15 @@ static char *find_variable(const char *path, const char *var)
p += len + 1;
q = strchr(p, '\n');
*q = '\0';
+ break;
}
- if (p == NULL)
- free(buffer);
+ if (p != NULL) {
+ p = strdup(p);
+ t (p == NULL);
+ }
free(sought);
+ free(buffer);
return p;
fail:
@@ -707,6 +717,7 @@ static char *get_variables(const char **vars, const char **vars_end, size_t file
*p++ = ' ';
free(parts[ptr]);
}
+ free(parts);
p[-1] = 0;
return rc;
@@ -714,6 +725,7 @@ fail:
saved_errno = errno;
while (ptr--)
free(parts[ptr]);
+ free(parts);
errno = saved_errno;
return NULL;
}
@@ -781,7 +793,7 @@ int main(int argc, char *argv[])
t (libraries == NULL);
for (; args != args_last; args++) {
if (is_variable(*args))
- *variables_last = *args;
+ *variables_last++ = *args;
else if (parse_library(*args, libraries_last++))
goto usage;
}
@@ -794,13 +806,16 @@ int main(int argc, char *argv[])
t (path == NULL);
/* Find librarian files. */
- start_files = found_files_count;
- start_libs = 0;
- while ((n = (size_t)(libraries_last - libraries) - start_libs)) {
+ for (start_libs = 0;;) {
+ start_files = found_files_count;
+ n = (size_t)(libraries_last - libraries) - start_libs;
+ if (n == 0)
+ break;
if (find_librarian_files(libraries + start_libs, n, path, f_oldest)) {
t (errno);
goto not_found;
}
+ start_libs += n;
if (f_locate)
break;
if (f_deps) {
@@ -812,7 +827,7 @@ int main(int argc, char *argv[])
end = strpbrk(s, " \t\r\n\f\v");
if (end)
*end = '\0';
- if (parse_library(s, libraries_last++))
+ if (*s && parse_library(s, libraries_last++))
goto not_found;
}
free(data), data = NULL;