diff options
9 files changed, 138 insertions, 2 deletions
diff --git a/src/mds-kbdc/process-includes.c b/src/mds-kbdc/process-includes.c index 8c4bbbf..64dd7eb 100644 --- a/src/mds-kbdc/process-includes.c +++ b/src/mds-kbdc/process-includes.c @@ -16,7 +16,6 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "process-includes.h" -/* TODO we need to deal with mutually recursive includes */ #include "make-tree.h" #include "simplify-tree.h" @@ -25,6 +24,8 @@ #include <unistd.h> #include <string.h> #include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> @@ -57,6 +58,21 @@ static mds_kbdc_parse_error_t* error; */ static mds_kbdc_parsed_t* restrict result; +/** + * Stack of attributes of already included files + */ +static struct stat* included; + +/** + * The number elements allocated for `included` + */ +static size_t included_size = 0; + +/** + * The number elements stored in `included` + */ +static size_t included_ptr = 0; + /** @@ -256,8 +272,39 @@ static int process_includes_in_tree(mds_kbdc_tree_t* restrict tree) */ int process_includes(mds_kbdc_parsed_t* restrict result_) { + int r, saved_errno; + struct stat attr; + size_t i; + result = result_; - return process_includes_in_tree(result_->tree); + + fail_if (stat(result->pathname, &attr)); + + if (included_ptr == included_size) + { + struct stat* old; + if (xxrealloc(old, included, included_size += 4, struct stat)) + return included = old, -1; + } + + for (i = 0; i < included_ptr; i++) + if ((included[i].st_dev == attr.st_dev) && (included[i].st_ino == attr.st_ino)) + { + NEW_ERROR_(result, ERROR, 0, 0, 0, 0, 1, "resursive inclusion"); + return 0; + } + + included[included_ptr++] = attr; + + r = process_includes_in_tree(result_->tree); + saved_errno = errno; + + if (--included_ptr == 0) + free(included), included_size = 0; + + return errno = saved_errno, r; + pfail: + return -1; } diff --git a/test-files/mds-kbdc/process-includes/invalid/_inclusion_circle b/test-files/mds-kbdc/process-includes/invalid/_inclusion_circle new file mode 100644 index 0000000..56d1212 --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/_inclusion_circle @@ -0,0 +1 @@ +include "inclusion_circle" diff --git a/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_1 b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_1 new file mode 100644 index 0000000..49647dd --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_1 @@ -0,0 +1,2 @@ +include "_inclusion_rho_2" + diff --git a/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_2 b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_2 new file mode 100644 index 0000000..b7847a6 --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_2 @@ -0,0 +1,2 @@ +include "_inclusion_rho_3" + diff --git a/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_3 b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_3 new file mode 100644 index 0000000..8cdf4df --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_3 @@ -0,0 +1,2 @@ +include "_inclusion_rho_4" + diff --git a/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_4 b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_4 new file mode 100644 index 0000000..49647dd --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_4 @@ -0,0 +1,2 @@ +include "_inclusion_rho_2" + diff --git a/test-files/mds-kbdc/process-includes/invalid/inclusion_circle b/test-files/mds-kbdc/process-includes/invalid/inclusion_circle new file mode 100644 index 0000000..11214e7 --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/inclusion_circle @@ -0,0 +1,22 @@ +include "_inclusion_circle" + +# (include (@ 1 0-7) ‘.../test-files/mds-kbdc/process-includes/invalid/_inclusion_circle’ +# (.inner +# (include (@ 1 0-7) ‘.../test-files/mds-kbdc/process-includes/invalid/inclusion_circle’ +# (.inner +# (include (@ 1 0-7) ‘"_inclusion_circle"’ +# (.inner nil) +# ) +# ) +# ) +# ) +# ) +# .../test-files/mds-kbdc/process-includes/invalid/inclusion_circle: error: resursive inclusion +# +# .../test-files/mds-kbdc/process-includes/invalid/inclusion_circle:1:0–7: note: included from here +# include "_inclusion_circle" +# ^^^^^^^ +# .../test-files/mds-kbdc/process-includes/invalid/_inclusion_circle:1:0–7: note: included from here +# include "inclusion_circle" +# ^^^^^^^ + diff --git a/test-files/mds-kbdc/process-includes/invalid/inclusion_rho b/test-files/mds-kbdc/process-includes/invalid/inclusion_rho new file mode 100644 index 0000000..43aabc9 --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/inclusion_rho @@ -0,0 +1,43 @@ +include "_inclusion_rho_1" + +# (include (@ 1 0-7) ‘.../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_1’ +# (.inner +# (include (@ 1 0-7) ‘.../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_2’ +# (.inner +# (include (@ 1 0-7) ‘.../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_3’ +# (.inner +# (include (@ 1 0-7) ‘.../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_4’ +# (.inner +# (include (@ 1 0-7) ‘.../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_2’ +# (.inner +# (include (@ 1 0-7) ‘"_inclusion_rho_3"’ +# (.inner nil) +# ) +# ) +# ) +# ) +# ) +# ) +# ) +# ) +# ) +# ) +# ) +# .../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_2: error: resursive inclusion +# +# .../test-files/mds-kbdc/process-includes/invalid/inclusion_rho:1:0–7: note: included from here +# include "_inclusion_rho_1" +# ^^^^^^^ +# .../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_1:1:0–7: note: included from here +# include "_inclusion_rho_2" +# ^^^^^^^ +# .../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_2:1:0–7: note: included from here +# include "_inclusion_rho_3" +# ^^^^^^^ +# .../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_3:1:0–7: note: included from here +# include "_inclusion_rho_4" +# ^^^^^^^ +# .../test-files/mds-kbdc/process-includes/invalid/_inclusion_rho_4:1:0–7: note: included from here +# include "_inclusion_rho_2" +# ^^^^^^^ + diff --git a/test-files/mds-kbdc/process-includes/invalid/selfinclusion b/test-files/mds-kbdc/process-includes/invalid/selfinclusion new file mode 100644 index 0000000..5207dbd --- /dev/null +++ b/test-files/mds-kbdc/process-includes/invalid/selfinclusion @@ -0,0 +1,15 @@ +include "selfinclusion" + +# (include (@ 1 0-7) ‘.../mds/test-files/mds-kbdc/process-includes/invalid/selfinclusion’ +# (.inner +# (include (@ 1 0-7) ‘"selfinclusion"’ +# (.inner nil) +# ) +# ) +# ) +# .../test-files/mds-kbdc/process-includes/invalid/selfinclusion: error: resursive inclusion +# +# .../test-files/mds-kbdc/process-includes/invalid/selfinclusion:1:0–7: note: included from here +# include "selfinclusion" +# ^^^^^^^ + |